IGCSE /Grade 10
Science MCQ Based On Structures of the mammalian heart
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IGCSE Grade 10 Science Structures of the mammalian heart
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during or after heart contractions.
clearly visible on the grooves.
Look at the diagram and identify the left and right sides of the heart.
The upper, thin-walled chambers are the atria, and each of these opens into a thick-walled chamber below.
supply blood to the heart muscle
It carries blood from the right ventricle to the lungs.
This large vein delivers oxygen-poor blood from your upper body into your heart’s right atrium and the large vein delivers oxygen-poor blood from your lower body into your heart’s right atrium.
blood brings from the body tissues to the right atrium
By looking at the diagram of a mammal's heart.
artery carrying oxygenated blood to the body
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